Erbijsommen t/m 1.000
Optellen
| 1. | 482 + 469 = |
807
|
870
|
896
|
951
|
| 2. | 460 + 172 = |
642
|
632
|
973
|
699
|
| 3. | 430 + 161 = |
900
|
591
|
634
|
949
|
| 4. | 383 + 217 = |
916
|
600
|
811
|
865
|
| 5. | 285 + 248 = |
533
|
762
|
890
|
791
|
| 6. | 462 + 363 = |
675
|
825
|
892
|
506
|
| 7. | 144 + 133 = |
251
|
373
|
277
|
283
|
| 8. | 273 + 138 = |
477
|
337
|
411
|
261
|
| 9. | 480 + 198 = |
545
|
839
|
686
|
678
|
| 10. | 442 + 294 = |
960
|
535
|
736
|
777
|
| 11. | 322 + 116 = |
492
|
275
|
387
|
438
|
| 12. | 450 + 223 = |
880
|
909
|
512
|
673
|